Music films are great, but they can never compete with a live performance. Live music is what it is. It's the whole point. You experience it in the moment.

Documentaries - my God, there is so much going on in our country and in the world today that every time you open the newspaper or turn on the radio or watch the news on TV there is another documentary subject. We're getting the headlines for a second, shaped by corporate delivery most of the time, but what's really the story there?

Nothing beats a live performance. Nothing.

I think music is just a wonderful ingredient that helps us understand a scene better. And certainly you can overuse music, and you can use the wrong music. I probably have been guilty of these things over time. But if you use music correctly as a friend of the theme, a friend of the narrative, ou can lend some terrific connective tissue to a film.

I love the idea of documentaries. I love seeing documentaries, and I love making them. Documentaries are incredibly easy to shoot. The ease with which you can hear something's going on, somebody's going to be somewhere: That sounds so interesting. Pick up your camera and go.

I'm of Neil Young's generation. Neil Young's songs have spoken to what it's like to be at least a white male of his generation over the years. Endlessly, he's sung about the stuff that I really care about. He's put into words the feelings that hit you at different transitional moments in life.

A trilogy is a pretty abstract notion. You can apply it to almost any three things.